Senior UI Developer - eCommerce

📍 Job Overview

Job Title: Senior UI Developer - eCommerce

Company: Avnet (Farnell)

Location: Bangalore, India

Job Type: FULL_TIME

Category: Front-End Development / UI Engineering (eCommerce Focus)

Date Posted: 2026-06-10

Experience Level: Senior (5-10 years implied)

Remote Status: On-site

🚀 Role Summary

• Lead the development of highly interactive, user-friendly, and visually appealing user interfaces for a global large-scale eCommerce platform, utilizing React and its ecosystem.

• Drive UI performance optimization for fast load times and seamless customer experiences across devices, including managing extensive caching solutions.

• Collaborate closely with cross-functional teams, including UX/UI designers, back-end engineers, and Product Owners, to translate business requirements into robust technical solutions.

• Mentor and guide junior and mid-level developers, fostering a culture of best practices, clean code, and continuous learning within the UI Development team.

📝 Enhancement Note: While the job title is "Senior UI Developer," the description implies a strong focus on front-end architecture and performance optimization within an eCommerce context. The requirement for mentoring and leadership suggests a role that bridges individual contribution with team guidance, typical of a senior-level individual contributor or a lead role.

📈 Primary Responsibilities

• Spearhead the design and development of scalable, responsive, and visually stunning user interfaces for Avnet's global eCommerce platform using React and TypeScript.

• Optimize front-end performance by implementing advanced techniques such as lazy loading, code splitting, and refactoring caching layers (Akamai, and deeper application stack technologies) to ensure rapid load times and a superior user experience.

• Translate complex business requirements, wireframes, and prototypes (from Figma and Storybook) into high-quality, functional code, ensuring seamless integration with back-end services via RESTful and GraphQL APIs.

• Actively participate in and contribute to the internal Front-end Guild, sharing expertise, advocating for modern development practices, and driving innovation in UI development.

• Collaborate with back-end engineers to define API contracts, integrate front-end components, and contribute to the overall architecture and performance of the application stack.

• Champion software development best practices, including clean, maintainable code, comprehensive automated testing (Jest), thorough code reviews, and adherence to GitFlow version control processes.

• Mentor and provide technical guidance to junior and mid-level developers, fostering their growth in React development, front-end architecture, and best-practice implementation.

• Stay abreast of the latest advancements in front-end technologies, particularly within the React ecosystem and emerging eCommerce trends, integrating relevant innovations into the platform.

📝 Enhancement Note: The responsibilities clearly indicate a senior-level individual contributor role with significant ownership over performance optimization and best practices within a critical eCommerce function. The mention of Akamai caching and deeper application layers suggests a need for a developer who understands the full spectrum of front-end performance.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience is typically expected for a senior role.

Experience: Minimum of 5-10 years of proven experience as a Front-End or UI Developer, with a strong emphasis on building and maintaining large-scale web applications, ideally within the eCommerce domain. Demonstrated experience in a senior capacity, or the ability to clearly articulate why you are ready for senior-level responsibilities.

Required Skills:

• Deep expertise in ReactJS and its core principles, including component-based architecture, hooks, and context API.

• Proficiency in TypeScript for building robust and maintainable JavaScript applications.

• Hands-on experience with GraphQL, specifically utilizing Apollo Client for query, mutation, and state management.

• Strong understanding of Node.js and its role in integrating front-end applications with back-end services.

• Advanced proficiency in HTML5, CSS3, and modern JavaScript (ES6+), including concepts like asynchronous programming and module bundling.

• Experience with responsive design principles and implementation across various devices and screen sizes.

• Competency in front-end testing frameworks, particularly Jest, and familiarity with unit, integration, and end-to-end testing strategies.

• Experience with version control systems, specifically Gitlab and their GitFlow workflow.

• Ability to translate designs from Figma and Storybook prototypes into pixel-perfect, functional user interfaces.

• Proven ability to optimize UI performance using techniques like lazy loading, code splitting, and efficient caching strategies.

• Familiarity with Akamai caching or other Content Delivery Network (CDN) solutions. Preferred Skills:

• Development experience with Headless CMS solutions, such as Bloomreach.

• Familiarity with A/B testing methodologies and tools like Adobe Target.

• Experience in building and scaling complex eCommerce platforms.

• Previous experience working within an Agile/Scrum development methodology.

• Knowledge of front-end build tools and bundlers (e.g., Webpack, Rollup) beyond basic configuration.

• Experience with state management libraries like Redux (though Apollo Client often covers this).

📝 Enhancement Note: The "Required Skills" section is very specific, listing technologies like ReactJS, TypeScript, Node.js, Apollo Client/Server, Jest, Styled Components, Storybook, and Akamai. This indicates a need for candidates with direct, hands-on experience in these tools, rather than just theoretical knowledge. The emphasis on "demonstrate your competency" suggests that practical application and portfolio examples will be crucial.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase projects demonstrating complex UI development using React and TypeScript, highlighting architectural decisions and problem-solving approaches.

• Include examples of performance optimization techniques implemented, with clear metrics demonstrating improvements in load times, rendering efficiency, or user interaction speed.

• Present case studies of integrating front-end applications with GraphQL and RESTful APIs, detailing data fetching strategies, state management, and error handling.

• Demonstrate experience with responsive design and cross-browser compatibility across various devices and platforms.

• Provide evidence of contribution to or leadership in code reviews, including examples of how you ensure code quality, maintainability, and adherence to best practices. Process Documentation:

• Detail your approach to translating UX/UI designs (from Figma/Storybook) into functional code, emphasizing communication with design teams and iterative refinement.

• Illustrate your process for implementing and managing caching strategies, particularly in the context of eCommerce platforms and CDNs like Akamai.

• Explain your methodology for front-end testing, including the types of tests you implement (unit, integration, E2E) and how you ensure test coverage and effectiveness.

• Document your experience with Agile/Scrum methodologies, including participation in sprint planning, daily stand-ups, sprint reviews, and retrospectives.

📝 Enhancement Note: For a Senior UI Developer role, a portfolio is critical. It should not only showcase finished products but also the thought process, technical challenges overcome, and demonstrable impact of their work, particularly in performance optimization and integration.

💵 Compensation & Benefits

Salary Range: Based on Avnet's presence in Bangalore, India, and the senior-level experience required (5-10 years), the estimated annual salary range for a Senior UI Developer is ₹15,00,000 to ₹25,00,000 (Indian Rupees). This range can vary based on the candidate's specific experience, interview performance, and current market conditions.

Benefits:

• Comprehensive health insurance coverage for employees and their dependents.

• Paid time off, including annual leave, sick leave, and public holidays.

• Retirement savings plan or provident fund contributions.

• Opportunities for professional development, including training, workshops, and conference attendance.

• Access to Avnet's global network and resources.

• Potential for performance-based bonuses or incentives.

• Employee assistance programs offering confidential counseling and support.

Working Hours: The standard working hours are 40 hours per week, typically from Monday to Friday. While the role is on-site, Avnet may offer some flexibility in start and end times, subject to team and business needs.

📝 Enhancement Note: Salary estimates are based on industry benchmarks for senior software development roles in Bangalore, India, considering the specified technologies and responsibilities. These figures are indicative and subject to negotiation.

🎯 Team & Company Context

🏢 Company Culture

Industry: Avnet operates within the global technology distribution sector, with Farnell specifically focusing on electronic components and solutions for design, maintenance, and repair. This places the eCommerce platform at the intersection of technology retail and B2B distribution, demanding a robust and user-friendly online presence.

Company Size: Avnet is a large, global corporation (likely over 10,000 employees based on typical industry classification for companies of this scale). This means the UI Developer will be part of a significant corporate structure, offering both stability and opportunities for specialized roles within a larger ecosystem.

Founded: Avnet was founded in 1926. This long history suggests a company with established processes, a deep understanding of its market, and a commitment to long-term growth and adaptation, which is reflected in its investment in modern eCommerce platforms.

Team Structure:

• The UI Development team is likely part of a broader Engineering or Technology department. It will include a mix of senior and mid-level developers, potentially a team lead or manager, and will work closely with UX/UI designers, backend engineers, QA testers, and Product Owners.

• Reporting structure will likely be hierarchical, with the Senior UI Developer reporting to a UI Development Manager or Engineering Lead, who in turn reports to a higher-level director or VP of Technology.

• Cross-functional collaboration is essential, with daily interactions expected within the Agile team and regular communication with product management, marketing, and potentially other business units to ensure the eCommerce platform effectively meets business objectives. Methodology:

• Data-driven decision-making is paramount, with UI performance metrics, user analytics, and A/B testing results heavily influencing development priorities and optimizations.

• Workflow planning and optimization will follow Agile methodologies, with a focus on iterative delivery, continuous feedback, and adapting to evolving business and customer needs.

• Automation and efficiency practices will be integrated into the development lifecycle, from CI/CD pipelines to automated testing and code generation tools, aiming to streamline processes and reduce manual effort.

Company Website: https://www.avnet.com/

📝 Enhancement Note: Given Avnet's scale and industry, the operations within the company are likely well-defined and process-oriented. The eCommerce platform is a critical revenue-generating channel, implying a high degree of focus on performance, user experience, and data-driven improvements.

📈 Career & Growth Analysis

Operations Career Level: This role is classified as "Senior," indicating a professional who has moved beyond foundational development to taking ownership of significant features, mentoring others, and influencing technical direction. A Senior UI Developer is expected to be a subject matter expert in their domain, capable of tackling complex technical challenges independently and contributing to architectural discussions.

Reporting Structure: The Senior UI Developer will report to a Team Lead or Manager within the UI Development team. They will also work closely with Product Owners and Business Analysts to understand requirements and with Backend Engineers for API integrations. This structure emphasizes collaboration across different functional areas.

Operations Impact: The Senior UI Developer's work directly impacts the company's revenue by enhancing the customer experience on the eCommerce platform. A performant, intuitive, and visually appealing UI can lead to increased conversion rates, higher average order values, improved customer satisfaction, and greater customer loyalty. Their optimizations and feature developments are critical to the success of Avnet's online sales channels.

Growth Opportunities:

• Technical Specialization: Deepen expertise in specific front-end technologies, performance optimization, accessibility standards, or advanced JavaScript frameworks.

• Team Leadership: Progress into a Lead UI Developer role, taking on more responsibility for team direction, technical architecture, and project management within the UI domain.

• Cross-Functional Mobility: Transition into related roles such as Front-End Architect, Solutions Architect, or even explore backend development if interest and aptitude align.

• Mentorship & Training: Develop leadership skills through mentoring junior developers and potentially contributing to internal training programs and knowledge-sharing initiatives.

• eCommerce Domain Expertise: Become a recognized specialist in eCommerce front-end development, understanding the unique challenges and opportunities within this sector.

📝 Enhancement Note: The "Senior" title, coupled with the responsibilities and expected impact, suggests a clear path for growth within Avnet's technology organization, either through deepening technical expertise or moving into leadership positions.

🌐 Work Environment

Office Type: The role is designated as "On-site," indicating a traditional office-based work environment. This suggests a focus on in-person collaboration, team cohesion, and access to office resources.

Office Location(s): The primary work location is Bangalore, India, a major technology hub. This offers access to a large talent pool and a vibrant tech community. Specific office details would need to be confirmed with Avnet.

Workspace Context:

• The workspace is expected to be a professional office environment designed for collaboration and productivity, likely featuring open-plan areas, meeting rooms, and dedicated desk spaces.

• Access to modern development tools, high-performance workstations, and reliable internet connectivity is standard for such roles. The company will likely provide necessary software licenses and hardware.

• Opportunities for interaction with a diverse team of developers, designers, product managers, and other IT professionals will be abundant, fostering a dynamic and collaborative atmosphere.

Work Schedule: The standard work schedule is 40 hours per week, typically Monday through Friday. While adherence to core business hours is expected, there may be some flexibility in daily start and end times, depending on team coordination and project demands. Occasional extended hours may be required to meet project deadlines or address critical issues.

📝 Enhancement Note: The "On-site" designation is important for candidates who prefer or require in-person collaboration. Bangalore's status as a tech hub is a significant advantage for attracting talent and fostering professional networking.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A recruiter or HR representative will likely conduct an initial screening call to assess basic qualifications, salary expectations, and cultural fit.

• Technical Assessment (Online/Take-home): Candidates may be given a coding challenge or take-home project to evaluate their practical skills in React, TypeScript, and problem-solving. This could involve building a small component, solving a specific UI problem, or refactoring existing code.

• Technical Interview(s) (Video/In-person): Multiple rounds of interviews with hiring managers, senior developers, and potentially architects. These will delve into technical depth, architectural understanding, problem-solving approaches, and experience with the required technologies (React, Node.js, GraphQL, performance optimization, etc.). Expect questions on data structures, algorithms, design patterns, and real-world scenarios.

• Portfolio Review & Discussion: A dedicated session where candidates present their portfolio, discussing key projects, technical challenges, their role, and the impact of their work. This is a critical stage for senior roles.

• Behavioral/Cultural Fit Interview: Interviews focused on assessing soft skills, teamwork, communication, leadership potential, and alignment with Avnet's company culture. Questions may revolve around handling conflict, managing priorities, and mentoring others.

• Final Interview/Offer: A final discussion with a senior leader or hiring manager, followed by an offer if successful.

Portfolio Review Tips:

• Curate Effectively: Select 3-5 of your strongest projects that best showcase your skills in React, TypeScript, performance optimization, and eCommerce contexts. Prioritize quality over quantity.

• Structure Your Narrative: For each project, clearly articulate: the problem statement, your specific role and contributions, the technologies used, the technical challenges faced and how you overcame them, and the measurable outcomes or impact.

• Highlight Performance Focus: For this role, emphasize any projects where you significantly improved UI performance. Be ready to discuss your specific techniques (lazy loading, code splitting, caching strategies, etc.) and the quantifiable results (e.g., X% reduction in load time, Y% improvement in Core Web Vitals).

• Showcase Collaboration: If possible, include projects where you worked closely with designers and backend teams. Be prepared to discuss your communication and collaboration strategies.

• Prepare Code Snippets: Have well-commented code examples ready to share or discuss, demonstrating clean code practices, efficient state management, and robust API integrations.

• Practice Your Presentation: Rehearse your portfolio walkthrough to ensure a smooth, concise, and engaging presentation within the allotted time.

Challenge Preparation:

• Deep Dive into Core Technologies: Revisit React best practices, hooks, context, performance optimization techniques, and common pitfalls. Ensure a strong grasp of TypeScript.

• GraphQL & Apollo: Practice writing complex GraphQL queries and mutations, and understand Apollo Client's cache management and error handling.

• Node.js Fundamentals: Be prepared for questions on basic Node.js concepts, especially concerning API integrations and server-side rendering if applicable.

• Performance Optimization: Study techniques for optimizing JavaScript execution, rendering performance, and network requests. Understand browser rendering pipelines and Core Web Vitals.

• eCommerce Scenarios: Think about common challenges in eCommerce UIs: product listings, cart functionality, checkout flows, search, personalization, and how to optimize these for performance and user experience.

• Behavioral Questions: Prepare STAR method (Situation, Task, Action, Result) answers for common behavioral questions related to teamwork, problem-solving, leadership, and handling difficult situations.

📝 Enhancement Note: The interview process for a senior role is typically multi-stage and rigorous. A strong portfolio is not just a resume supplement but a core part of the evaluation, especially for roles emphasizing technical execution and impact.

🛠 Tools & Technology Stack

Primary Tools:

• ReactJS: The core JavaScript library for building user interfaces.

• TypeScript: For static typing, enhancing code quality and maintainability.

• Node.js: For backend services, API integrations, and potentially server-side rendering.

• Apollo Client: For managing GraphQL data fetching, caching, and state.

• Apollo Server: To build and integrate with GraphQL APIs.

• Jest: A popular JavaScript testing framework for unit and integration tests.

• Styled Components: For CSS-in-JS styling, enabling component-level styling.

• Storybook: For developing, testing, and documenting UI components in isolation.

Analytics & Reporting:

• Akamai: Used extensively for caching and content delivery network (CDN) services to optimize global performance.

• Adobe Target: For A/B testing and personalization to optimize user journeys and conversion rates.

• Google Analytics / Similar: For tracking user behavior, traffic sources, and conversion metrics on the eCommerce platform.

CRM & Automation:

• While not directly a UI developer's primary tool, understanding how the front-end integrates with CRM systems (e.g., Salesforce, Dynamics) and marketing automation platforms for personalized customer experiences would be beneficial.

• Headless CMS (e.g., Bloomreach): For managing and delivering content flexibly across different channels.

📝 Enhancement Note: This is a highly specific stack. Candidates must have demonstrable experience with React, TypeScript, and Apollo (Client/Server). Akamai is also a key component, indicating a need for understanding caching and performance at scale.

👥 Team Culture & Values

Operations Values:

• Customer-Centricity: A strong focus on creating user experiences that are intuitive, efficient, and enjoyable for eCommerce customers, driving satisfaction and loyalty.

• Technical Excellence: A commitment to high-quality code, robust architecture, and continuous improvement in development practices, ensuring scalability and maintainability of the platform.

• Collaboration & Teamwork: Fostering an environment where cross-functional teams work together seamlessly, sharing knowledge and supporting each other to achieve common goals.

• Innovation & Continuous Learning: Encouraging curiosity and exploration of new technologies and methodologies to stay at the forefront of UI development and eCommerce trends.

• Data-Driven Decision Making: Utilizing analytics, A/B testing, and performance metrics to inform development priorities and validate the effectiveness of implemented solutions.

Collaboration Style:

• Agile & Iterative: Working in iterative cycles with frequent feedback loops, prioritizing adaptable development and continuous delivery of working software.

• Cross-Functional Integration: Close collaboration with UX/UI designers, Product Owners, Backend Engineers, and QA teams to ensure a cohesive product development process.

• Knowledge Sharing: Active participation in internal communities like the Front-end Guild, encouraging open communication, peer reviews, and the sharing of best practices and lessons learned.

• Proactive Communication: Emphasis on clear and timely communication, especially in a distributed team environment, through regular stand-ups, show-and-tells, and documentation.

📝 Enhancement Note: The mention of a "Front-end Guild" and "show and tells" indicates a culture that values knowledge sharing, transparency, and collaborative development.

⚡ Challenges & Growth Opportunities

Challenges:

• Performance Optimization at Scale: Ensuring consistently fast load times and smooth interactivity for a global eCommerce platform with a high volume of users and complex features. This involves deep dives into caching, code splitting, and rendering optimizations.

• Integration Complexity: Seamlessly integrating front-end components with diverse backend services (RESTful, GraphQL) and third-party systems (CMS, analytics, A/B testing tools) while maintaining code quality and performance.

• Evolving Technology Landscape: Keeping pace with the rapid advancements in front-end technologies, especially within the React ecosystem, and strategically adopting new tools and patterns without disrupting stability.

• Balancing Innovation with Stability: Introducing new features and technologies while maintaining the reliability and performance of a critical eCommerce platform, requiring careful planning, testing, and phased rollouts.

Learning & Development Opportunities:

• Advanced Performance Engineering: Opportunity to become an expert in front-end performance tuning, browser rendering, and CDN optimization techniques.

• GraphQL Mastery: Deepen expertise in GraphQL schema design, advanced query optimization, and sophisticated state management with Apollo Client.

• eCommerce Architecture: Gain a comprehensive understanding of the technical architecture and business logic behind large-scale eCommerce platforms.

• Mentorship and Technical Leadership: Develop leadership skills by mentoring junior developers, contributing to architectural decisions, and potentially leading small project teams.

• Industry Exposure: Potential to attend relevant tech conferences or workshops focused on front-end development, React, or eCommerce technologies.

📝 Enhancement Note: The challenges are directly tied to the complexities of a large-scale eCommerce environment and the need for cutting-edge front-end expertise. The growth opportunities align well with the senior nature of the role.

💡 Interview Preparation

Strategy Questions:

• UI Performance Tuning: "Describe a time you significantly improved the performance of a web application. What specific techniques did you use, and what were the quantifiable results? How would you approach optimizing the performance of our global eCommerce site, considering our use of React, Node.js, and Akamai?"

• GraphQL Integration: "Walk me through your experience using Apollo Client and Server. How do you handle complex queries, mutations, caching, and error scenarios in a large application? What are the advantages of GraphQL over REST for an eCommerce platform?"

• Mentorship and Best Practices: "As a Senior UI Developer, how do you mentor junior developers? What processes do you advocate for to ensure code quality, maintainability, and adherence to best practices within a team?"

• Technical Leadership: "Describe a situation where you had to influence technical direction or advocate for a particular technology or approach within your team. How did you build consensus and drive adoption?"

Company & Culture Questions:

• "What interests you about Avnet and Farnell, particularly our eCommerce platform?"

• "How do you stay updated with the latest trends in front-end development and eCommerce?"

• "Describe your experience working in an Agile/Scrum environment. What is your preferred role in sprint planning and retrospectives?"

• "How do you approach collaboration with UX/UI designers and backend engineers?" Portfolio Presentation Strategy:

• Highlight Impact: Focus on the business impact of your projects. For eCommerce, this means connecting UI improvements to conversion rates, user engagement, or reduced bounce rates.

• Showcase Technical Depth: Be ready to explain the "why" behind your technical choices. Why React? Why TypeScript? Why Apollo? What were the trade-offs?

• Demonstrate Problem-Solving: For each project, clearly articulate the problem, your solution, and the challenges you overcame.

• Visual Aids: Use clear, concise slides with minimal text. Show live demos or well-annotated screenshots/recordings of your work.

• Interactive Discussion: Encourage questions throughout your presentation and be prepared for in-depth technical discussions.

📝 Enhancement Note: Interview preparation should heavily emphasize practical application of skills, especially concerning performance optimization and complex integrations relevant to eCommerce.

📌 Application Steps

To apply for this Senior UI Developer position:

• Submit your application through the provided link on Avnet's careers portal.

• Tailor your resume: Highlight specific experience with React, TypeScript, Node.js, Apollo Client/Server, GraphQL, performance optimization, and eCommerce platforms. Quantify achievements wherever possible.

• Prepare your portfolio: Curate 3-5 projects that best demonstrate your senior-level skills, focusing on performance optimization case studies and seamless API integrations. Ensure it's easily accessible online.

• Practice technical and behavioral questions: Rehearse answers using the STAR method and be ready to discuss your portfolio projects in detail, focusing on challenges, solutions, and impact.

• Research Avnet and Farnell: Understand their business, their eCommerce strategy, and their company culture to articulate your interest and demonstrate cultural fit.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

---